A(n)_____ study involves manipulation of one or more variables to determine the effect on another variable.
A) ex post facto
B) exploratory
C) experimental
D) causal
E) C & D above

Question

Quizplus · Accepted Answer

Experimental studies involve the manipulation of one or more variables to see their effect on another variable, which is also a characteristic of causal studies. Thus, both C and D are correct.

A(n)_____ Study Involves Manipulation of One or More Variables to Determine